"Ikko Senju Nembutsu Name Book"

...However, judging from the existence of this historical material, it cannot be said with certainty that the word boshu existed in Shinran's time. The Ikko Senshu Nembutsu Register, dated January 13, 1343 (Kokoku 4), formerly owned by Saienji Temple in Gobo City, Wakayama Prefecture, states "Shakryo Shinbo Dojo Bozu Enshinbo Boshu," which confirms that the wife of the dojo master was already called boshu. In the fifth volume of Rennyo's Gobunsho, it states "the inner ward of the Taya monks," and at that time the boshu was also called "naihou." ...

*Some of the terminology explanations that refer to the "Ikko Senshu Nembutsu Meicho" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…しかし，この史料の成立から推して，親鸞の時代に坊守の語があったとは断言できない。和歌山県御坊市西円寺旧蔵の，興国4年(1343)正月13日付の《一向専修念仏名帳》には，〈釈了心房道場坊主　円心房坊守〉とあり，すでに道場主の妻を坊守と呼んでいたことが確認できる。蓮如の《御文章（ごぶんしよう）》五帖には〈多屋の坊主達の内方〉とあり，当時，坊守のことを別に，〈ないほう〉と称していた。…

※「《一向専修念仏名帳》」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報